Looking for logging into the Payza Sandbox site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Payza Sandbox site. After that you can login as usual with your login credentials.
https://blog.payza.eu/payza-updates/announcements/introducing-payza-test-center/
https://docs.whmcs.com/Payza
https://docs.woocommerce.com/document/payza/
http://www.readybytes.net/paycart/documentation/payza-payment-gateway.html
https://www.prnewswire.com/news-releases/payza-unveils-test-center-for-smoother-payment-integrations-300509935.html
https://docs.blesta.com/display/user/Payza
http://www.payza.com/
https://codex.mycred.me/chapter-iv/buycred-gateways/payza/
http://forum.abantecart.com/index.php?topic=3984.0
https://stackoverflow.com/questions/26777903/payza-buy-now-buttons
https://github.com/easydigitaldownloads/edd-payza/blob/master/payza.gateway.php
https://github.com/azertys/payza
https://www.youtube.com/watch?v=egHne7c09Yk